Well, from the looks of it, the error messages say it all. You're
trying to create constraints of existing data that doesn't comply. Have
you checked your data to make sure that the constraints you're trying to
introduced are already reflected in the existing data?
On Sun, 2003-01-26 at 12:54, dorellik1 wrote:
> To populate the tables of a database ( drawn from a book )I
> have followed two strategies.
> The first one :
>
> 1)I create the tables without any definition of foreign keys.
> 2)I have altered the tables to add the foreign keys.
> 3)I populate the tables obtaining error ( obvious ).
>
> The second one :
>
> 1)I create the tables without any definition of foreign keys.
> 2)I populate the tables without obtaining any error.
> 3)I have altered the tables to add the foreign keys with three
> error out seven ALTER TABLE --- .
>
> I think that the sql to create and alter the table is lawfull
> because in the first try the steps 1) and 2) execute flawless.
>
> Then where is the problem ?
>
> In sqlcode.txt there is the sql to create and alter the tables.
>
> In error.txt there are the reported errors.
>
> The postgresql version is 7.2.2 on a Mandrake 9.0.
>
>
> Thanks.
>
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